Writing Testable Research Hypotheses - edited 2.5(2)

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Northern Virginia Community College *

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211

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Psychology

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Feb 20, 2024

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Uploaded by usernamegobre

Writing Testable Research Hypotheses In-Class Activity Below, you will find two lists of variables that can be used to practice creating experimental and correlational hypotheses. For each Pair #: Pick one variable from each list, and then operationally define each of the variables you have selected in the Variables Table on the page you are using for that pair of variables. Next, complete the Hypothesis Table for that pair of variables by, selecting whether the hypothesis will be directional or non-directional, and then writing a complete hypothesis that applies each of the previous elements from that section of the table. You will use each pair of variables to construct two hypotheses, with one being an experimental hypothesis and the other being a correlational hypothesis. Variable #1 Variable #2 Exercise Self-esteem Sleep Anxiety Diet Happiness Social media usage Academic performance Watching TV Social media popularity Studying behaviors Driving performance Spending habits Reading comprehension Texting habits Anger Caffeine consumption Memory performance Volunteering habits Job satisfaction Traffic conditions Physical strength Pair #1 Variable name Operational Definition for Correlational Operational Definition for Exp 1. sleep smart watch’s sleep tracker manipulate: 1) 5 hrs 2) 8 hrs 2. job satisfaction survey survey Association claim/Correlational Approach Causal Claim/Experimental Approach Directional or Nondirectional? Directional Nondirectional Directional Nondirectional Hypothesis sleep is positively correlated with job sleep affects job satisfaction

satisfaction Pair #2 Variable name Operational Definition for Correlational Operational Definition for Exp 1. caffeine consumption survey manipulate: 1) no caffeine 2) one energy drink 2. driving performance dash cam footage dash cam footage Association claim/Correlational Approach Causal Claim/Experimental Approach Directional or Nondirectional? Directional Nondirectional Directional Nondirectional Hypothesis caffeine consumption positively correlated with driving performance caffeine consumption affects driving performance Pair #3 Variable name Operational Definition for Correlational Operational Definition for Exp 1. exercise time spent exercising per day manipulate: 1) 0 hrs 2) 1 hr 2. happiness self report/survey self report/survey

Association claim/Correlational Approach Causal Claim/Experimental Approach Directional or Nondirectional? Directional Nondirectional Directional Nondirectional Hypothesis exercise positively correlated with happiness exercise affects happiness

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